chordata

/kɔ:'deitə/
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Definition
  1. Proper noun:
    • A major taxonomic phylum in the animal kingdom: "Chordata" is the scientific name for the phylum comprising all animals that possess, at some stage of their life, a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. This group includes vertebrates (like mammals, birds, fish) and some invertebrate subphyla.
Usage
  • Proper noun:
    • The phylum Chordata is one of the most familiar groups in the animal kingdom.
    • All mammals, birds, and reptiles are classified within Chordata.
Advanced Usage
  • In taxonomic hierarchy: Used in biological classification to denote a specific high-level rank (phylum) above class and below kingdom.
    • The species was definitively placed within the phylum Chordata based on embryonic development.
Variants and Related Words
  • Chordate (n): Any member of the phylum Chordata.
    • A tunicate is a type of marine chordate.
  • Chordate (adj): Relating to or characteristic of chordates.
    • The chordate features are evident in the embryo.
Synonyms
  • Vertebrata: A subphylum within Chordata, often used informally to refer to the most well-known chordates (animals with backbones), though this is not a perfect synonym as Chordata includes non-vertebrates.
Noun
  1. comprises true vertebrates and animals having a notochord

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